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Mazda CX-5 Service & Repair Manual: Engine Tune Up

Engine Tune-up Preparation

NOTE:

1. Connect the M-MDS to the DLC-2.

2. Shift the selector lever (ATX) or shift lever (MTX) to the following position:

NOTE:

3. Run the engine speed at a constant 2,500 to 3,000 rpm

and warm up the engine (engine coolant temperature: 80 °C {176 °F}

or more, oil temperature: 60 °C {140 °F}

or more).

4. Turn off all electrical loads with the engine idling.

5. If the cooling fan is operating, wait until is stops.

Idle Speed Inspection

NOTE:

1. Complete the engine tune-up preparation..

2. Verify that the idle speed (M-MDS PID: RPM) is within the specification using the PID/data monitor function of the M-MDS..

Ignition Timing Inspection

NOTE:

1. Complete the engine tune-up preparation..

2. Verify the ignition timing (M-MDS PID: SPARKADV) using the PID/data monitor function of the M-MDS..

3. Verify that ignition timing advances when the engine speed increases gradually.

Idle Mixture Inspection

1. Verify that the idle speed and ignition timing are within the specification..

2. Insert an exhaust gas analyzer into the tailpipe.

3. Verify that the CO and HC concentrations are within regulation.

Idle-up Speed Control Inspection

NOTE:

1. Complete the engine tune-up preparation..

2. Verify that the idle speed according to each load (M-MDS PID: RPM) is within the specification using the PID/data monitor function of the M-MDS (except idle speed decrease after applying load)..

Engine Transaxle Integration Control [Fw6 A EL, Fw6 Ax EL]
Outline The TCM controls engine output torque and reduces transaxle output shaft torque fluctuation during auto shifting, and reduces shock occurring from the vehicle during shifting. ...

Engine
Special Features For SKYACTIV-G 2.0, the following is performed to lower fuel consumption. Improvement of mechanical resistance loss Narrowed down crankshaft journ ...

Other materials:

Emissions control system
General information WARNING The temperature of the exhaust system is high, both when driving and after stopping the engine. Never touch the exhaust tail pipes once they have become hot. This could result in burns. Do not park your vehicle over flammable materials such as grass or leaves because ...

Fuel and Engine Exhaust Precautions
Fuel Requirements Vehicles with catalytic converters or oxygen sensors must use ONLY UNLEADED FUEL, which will reduce exhaust emissions and keep spark plug fouling to a minimum. Your Mazda will perform best with fuel listed in the table. Fuel with a rating lower than 87 octane (91 RON) could ...

Air Filter
Purpose The air filter removes pollen and dust in the intake air and purifies air flowing into the cabin. Function The air filter removes pollen and dust using a dust collecting filter. Construction The air filter is installed to the blower unit. It ...

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